US9839268B2 - Wind-resistant umbrella frame structure - Google Patents

Wind-resistant umbrella frame structure Download PDF

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Publication number
US9839268B2
US9839268B2 US15/260,280 US201615260280A US9839268B2 US 9839268 B2 US9839268 B2 US 9839268B2 US 201615260280 A US201615260280 A US 201615260280A US 9839268 B2 US9839268 B2 US 9839268B2
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United States
Prior art keywords
rib
pivotally connected
pivot joint
traction
umbrella
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US15/260,280
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US20170215535A1 (en
Inventor
Tien-Cheng Chen
Sun-Feng Sung
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Xiamen Mingho Brothers Mfg Co Ltd
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Xiamen Mingho Brothers Mfg Co Ltd
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Assigned to XIAMEN MINGHO BROTHERS MFG CO., LTD. reassignment XIAMEN MINGHO BROTHERS MFG CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, TIEN-CHENG, SUNG, SUN-FENG
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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/22—Devices for increasing the resistance of umbrellas to wind
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/02—Umbrella frames
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/18—Covers; Means for fastening same
    • A45B2025/186—Umbrellas with two or more covers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B2200/00—Details not otherwise provided for in A45B
    • A45B2200/10—Umbrellas; Sunshades
    • A45B2200/1009—Umbrellas; Sunshades combined with other objects
    • A45B2200/1036—Umbrellas; Sunshades combined with other objects with means for promoting air movement, e.g. ventilation holes, fans, ventilators, special shape for ventilation, suction means

Definitions

  • the present invention relates generally to an umbrella, and more particularly to a wind-resistant umbrella frame structure.
  • Umbrellas are commonly used in everyday living for not only sheltering rain, but also providing functions of sunlight shading and wind shielding.
  • One common problem that the general public may encounter in using umbrellas is that strong winds or gusts may blow the umbrella inside out in a windy raining day. This makes the user feel insecure.
  • This situation is particularly true for multi-folded umbrella ribs for the umbrella ribs are made up of multiple sections pivoted to each other and such a situation may readily occur in the pivot joints. Umbrellas undergo such a situation may get readily damaged.
  • the umbrella ribs of an inside-out umbrella must be turned one by one back to the original shape before the umbrella can be converted back to the original configuration.
  • a wind-resistant umbrella with dual layers of umbrella cloth is available.
  • Such dual layers of umbrella cloth comprises an annular canopy that is located at a lower side and a small canopy that is stacked above the annular canopy so that winds that move into the space below the umbrella may pass through the annular canopy and thus move out through a gap present between the annular canopy and the small canopy that are stacked on each other thereby achieving an effect of resisting or withstanding winds and gusts and preventing the umbrella from being turned inside out due to the umbrella configuration that collects winds on the underside thereof in a windy day of strong winds or gusts.
  • the known wind-resisting umbrellas suffer canopy slackening or collapsing and closing umbrella being unsmooth. Thus, it is desired to further improve the umbrella frames.
  • An object of the present invention is to provide a wind-resistant umbrella frame structure, which helps ensure a canopy maintaining normal functioning for use in a windy day and provides effects of simple structure, reliable function, and stable performance.
  • the present invention provides a solution as follows:
  • a wind-resistant umbrella frame structure is applicable to an arrangement of dual canopies.
  • the umbrella frame structure comprises a primary frame and a secondary frame, wherein the primary frame has an inner end pivotally connected to an umbrella crown and an outer end connected, through a bead, to an outer circumference of an annular lower canopy.
  • the secondary frame has an end pivotally connected to a runner that is slidable up and down along an umbrella post and an opposite end pivotally connected to the primary frame.
  • the primary frame comprises an internal rib, an intermediate rib, an external rib, and a traction rib assembly and also comprises an intermediate rib return wire, an external rib return wire, and a collapse spring.
  • the internal rib has an inner end pivotally connected to the crown and an outer end pivotally connected, through a first pivot joint, to the intermediate rib and the intermediate rib has an outer end pivotally connected, through a second pivot joint, to the external rib.
  • the intermediate rib return wire has an end pivotally connected to the secondary frame and an opposite end pivotally connected to the first pivot joint and the collapse spring has an end connected to the secondary frame and an opposite end connected to the first pivot joint.
  • the external rib return wire has an end pivotally connected to the intermediate rib and an opposite end pivotally connected to the external rib.
  • the traction rib assembly has an end connected to the first pivot joint and an opposite end connected to the external rib.
  • the intermediate rib return wire has an end pivotally connected to the secondary frame and an opposite end pivotally connected to a joint of the first pivot joint on the intermediate rib.
  • the traction rib assembly comprises a rigid traction rib and a flexible traction wire.
  • the traction rib has a free end connected to the first pivot joint.
  • the traction wire has a free end connected to the external rib at a location adjacent to an outer end thereof.
  • the annular lower canopy has an inner circumference fixed to the first pivot joint.
  • An upper canopy has an outer circumference fixed to an outside surface of the annular lower canopy at a location corresponding to the frame and the fixed end is close, in location, to the second pivot joint.
  • the first pivot joint forms a connection point with the upper canopy.
  • Adopting the above solution allows the wind-resistant umbrella frame according to the present invention to provide effectively improved supporting to the upper canopy and also providing advantages of simplified structure and stable supporting and also allowing airflows to be readily conducted out and ensuring service life of the canopies.
  • FIG. 1 is a schematic view showing a wind-resistant umbrella according to the present invention.
  • FIG. 2 is a schematic view illustrating an umbrella frame structure according to the present invention.
  • the present invention discloses a wind-resistant umbrella frame structure, which is applicable to a dual-canopy arrangement.
  • the umbrella frame structure comprises a primary frame A and a secondary frame B, wherein the primary frame A has an inner end pivotally connected to an umbrella crown C and an outer end connected, through a bead D, to an outer circumference of an annular lower canopy E.
  • the secondary frame B has an end pivotally connected to a runner G that is slidable up and down along an umbrella post F and an opposite end pivotally connected to the primary frame A.
  • the primary frame A comprises an internal rib 1 , an intermediate rib 2 , an external rib 3 and a traction rib assembly 4 and also comprises an intermediate rib return wire 21 , an external rib return wire 31 , and a collapse spring 5 .
  • the internal rib 1 has an inner end pivotally connected to the crown C and an outer end that is pivotally connected to the intermediate rib 2 at a first pivot joint 6 .
  • the intermediate rib 2 has an outer end pivotally connected to the external rib 3 at a second pivot joint 7 .
  • the intermediate rib return wire 21 has an end pivotally connected to the secondary frame B and an opposite end pivotally connected to a joint of the first pivot joint 6 on the intermediate rib 2 .
  • the collapse spring 5 has an end connected to the secondary frame B and an opposite end connected to the first pivot joint 6 .
  • the external rib return wire 31 has an end connected to the first pivot joint 6 and an opposite end pivotally connected to the external rib 3 .
  • the traction rib assembly 4 comprises a rigid traction rib 41 and a flexible traction wire 42 coupled to each other.
  • the traction rib 41 has a free end connected to the intermediate rib 2 and the traction wire 42 has a free end connected to the external rib 3 at a location adjacent to an outer end thereof.
  • the secondary frame B has an opposite end pivotally connected to the internal rib 1 .
  • the annular lower canopy E has an inner circumference that is fixed to the first pivot joint 6 .
  • An upper canopy H has an outer circumference that is fixed to an outside surface of the annular lower canopy E at a location corresponding to the frame and the fixed end is close, in location, to the second pivot joint.
  • the first pivot joint 6 also forms a connection point with the upper canopy E.
  • the intermediate rib return wire 21 applies a force to the joint of the first pivot joint 6 on the intermediate rib 2 in a direction toward the umbrella post so as to allow the external rib 3 to be expanded during expansion of the intermediate rib 2 , whereby through such a series of movements of the frame, an operation of opening the umbrella is achieved and the collapse spring 5 is in a condition of being stretched with energy stored therein.
  • the arrangement of the traction rib assembly 4 provides a predetermined force of traction to the external rib 3 to prevent the frame from being turned inside out due to the canopy receiving and collecting winds therein.
  • the present invention provides a wind-resistant umbrella frame that helps effectively improve supporting to an upper canopy H and also provides advantages of simplified structure and stable supporting and allowing air flow to be readily conducted out to ensure the service life of the umbrella canopy.

Abstract

A wind-resistant umbrella frame structure is applicable to an arrangement of dual canopies and includes a primary frame and a secondary frame. The primary frame has an inner end pivotally connected to a crown and an outer end connected to the annular lower canopy. The secondary frame is pivotally connected to the runner and has an opposite end pivotally connected to the primary frame. The primary frame includes an internal rib, an intermediate rib, an external rib, and a traction rib assembly, and also includes an intermediate rib return wire, an external rib return wire, and a collapse spring. The umbrella frame structure allows air flows to be readily conducted out and ensures the service life of the canopies.

Description

(a) TECHNICAL FIELD OF THE INVENTION
The present invention relates generally to an umbrella, and more particularly to a wind-resistant umbrella frame structure.
(b) DESCRIPTION OF THE PRIOR ART
Umbrellas are commonly used in everyday living for not only sheltering rain, but also providing functions of sunlight shading and wind shielding. One common problem that the general public may encounter in using umbrellas is that strong winds or gusts may blow the umbrella inside out in a windy raining day. This makes the user feel insecure. This situation is particularly true for multi-folded umbrella ribs for the umbrella ribs are made up of multiple sections pivoted to each other and such a situation may readily occur in the pivot joints. Umbrellas undergo such a situation may get readily damaged. In addition, it is quite inconvenient that the umbrella ribs of an inside-out umbrella must be turned one by one back to the original shape before the umbrella can be converted back to the original configuration.
In view of this, a wind-resistant umbrella with dual layers of umbrella cloth is available. Such dual layers of umbrella cloth comprises an annular canopy that is located at a lower side and a small canopy that is stacked above the annular canopy so that winds that move into the space below the umbrella may pass through the annular canopy and thus move out through a gap present between the annular canopy and the small canopy that are stacked on each other thereby achieving an effect of resisting or withstanding winds and gusts and preventing the umbrella from being turned inside out due to the umbrella configuration that collects winds on the underside thereof in a windy day of strong winds or gusts. However, the known wind-resisting umbrellas suffer canopy slackening or collapsing and closing umbrella being unsmooth. Thus, it is desired to further improve the umbrella frames.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a wind-resistant umbrella frame structure, which helps ensure a canopy maintaining normal functioning for use in a windy day and provides effects of simple structure, reliable function, and stable performance.
To achieve the above object, the present invention provides a solution as follows:
A wind-resistant umbrella frame structure is applicable to an arrangement of dual canopies. The umbrella frame structure comprises a primary frame and a secondary frame, wherein the primary frame has an inner end pivotally connected to an umbrella crown and an outer end connected, through a bead, to an outer circumference of an annular lower canopy. The secondary frame has an end pivotally connected to a runner that is slidable up and down along an umbrella post and an opposite end pivotally connected to the primary frame. The primary frame comprises an internal rib, an intermediate rib, an external rib, and a traction rib assembly and also comprises an intermediate rib return wire, an external rib return wire, and a collapse spring. The internal rib has an inner end pivotally connected to the crown and an outer end pivotally connected, through a first pivot joint, to the intermediate rib and the intermediate rib has an outer end pivotally connected, through a second pivot joint, to the external rib. The intermediate rib return wire has an end pivotally connected to the secondary frame and an opposite end pivotally connected to the first pivot joint and the collapse spring has an end connected to the secondary frame and an opposite end connected to the first pivot joint. The external rib return wire has an end pivotally connected to the intermediate rib and an opposite end pivotally connected to the external rib. The traction rib assembly has an end connected to the first pivot joint and an opposite end connected to the external rib.
The intermediate rib return wire has an end pivotally connected to the secondary frame and an opposite end pivotally connected to a joint of the first pivot joint on the intermediate rib.
The traction rib assembly comprises a rigid traction rib and a flexible traction wire. The traction rib has a free end connected to the first pivot joint. The traction wire has a free end connected to the external rib at a location adjacent to an outer end thereof.
The annular lower canopy has an inner circumference fixed to the first pivot joint.
An upper canopy has an outer circumference fixed to an outside surface of the annular lower canopy at a location corresponding to the frame and the fixed end is close, in location, to the second pivot joint. The first pivot joint forms a connection point with the upper canopy.
Adopting the above solution allows the wind-resistant umbrella frame according to the present invention to provide effectively improved supporting to the upper canopy and also providing advantages of simplified structure and stable supporting and also allowing airflows to be readily conducted out and ensuring service life of the canopies.
The foregoing objectives and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts.
Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic view showing a wind-resistant umbrella according to the present invention.
FIG. 2 is a schematic view illustrating an umbrella frame structure according to the present invention.
 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The following descriptions are exemplary embodiments only, and are not intended to limit the scope, applicability or configuration of the invention in any way. Rather, the following description provides a convenient illustration for implementing exemplary embodiments of the invention. Various changes to the described embodiments may be made in the function and arrangement of the elements described without departing from the scope of the invention as set forth in the appended claims.
As shown in FIGS. 1 and 2, the present invention discloses a wind-resistant umbrella frame structure, which is applicable to a dual-canopy arrangement. The umbrella frame structure comprises a primary frame A and a secondary frame B, wherein the primary frame A has an inner end pivotally connected to an umbrella crown C and an outer end connected, through a bead D, to an outer circumference of an annular lower canopy E. The secondary frame B has an end pivotally connected to a runner G that is slidable up and down along an umbrella post F and an opposite end pivotally connected to the primary frame A.
The primary frame A comprises an internal rib 1, an intermediate rib 2, an external rib 3 and a traction rib assembly 4 and also comprises an intermediate rib return wire 21, an external rib return wire 31, and a collapse spring 5. The internal rib 1 has an inner end pivotally connected to the crown C and an outer end that is pivotally connected to the intermediate rib 2 at a first pivot joint 6. The intermediate rib 2 has an outer end pivotally connected to the external rib 3 at a second pivot joint 7. The intermediate rib return wire 21 has an end pivotally connected to the secondary frame B and an opposite end pivotally connected to a joint of the first pivot joint 6 on the intermediate rib 2. The collapse spring 5 has an end connected to the secondary frame B and an opposite end connected to the first pivot joint 6. The external rib return wire 31 has an end connected to the first pivot joint 6 and an opposite end pivotally connected to the external rib 3. The traction rib assembly 4 comprises a rigid traction rib 41 and a flexible traction wire 42 coupled to each other. The traction rib 41 has a free end connected to the intermediate rib 2 and the traction wire 42 has a free end connected to the external rib 3 at a location adjacent to an outer end thereof.
The secondary frame B has an opposite end pivotally connected to the internal rib 1.
The annular lower canopy E has an inner circumference that is fixed to the first pivot joint 6.
An upper canopy H has an outer circumference that is fixed to an outside surface of the annular lower canopy E at a location corresponding to the frame and the fixed end is close, in location, to the second pivot joint. The first pivot joint 6 also forms a connection point with the upper canopy E.
When the canopies are expanded, said opposite end of the secondary frame B pushes the internal rib 1 to expand by following an upward movement of the runner G and at the same time, the intermediate rib return wire 21 applies a force to the joint of the first pivot joint 6 on the intermediate rib 2 in a direction toward the umbrella post so as to allow the external rib 3 to be expanded during expansion of the intermediate rib 2, whereby through such a series of movements of the frame, an operation of opening the umbrella is achieved and the collapse spring 5 is in a condition of being stretched with energy stored therein. The arrangement of the traction rib assembly 4 provides a predetermined force of traction to the external rib 3 to prevent the frame from being turned inside out due to the canopy receiving and collecting winds therein.
When a gust or strong wind is encountered, an air flow blows in from the underside of the canopies and an air flow passage is formed between the upper canopy H and the annular lower canopy E to smoothly conduct the air flow out whereby a situation that the frame is turned inside out or even broken in a windy day could be prevented.
To collapse the umbrella, due to the spring force of the collapse spring 5, together with a downward movement of the runner the ribs are moved opposite to the umbrella opening operation as described above so as to achieve an effect of closing the umbrella.
In summary, the present invention provides a wind-resistant umbrella frame that helps effectively improve supporting to an upper canopy H and also provides advantages of simplified structure and stable supporting and allowing air flow to be readily conducted out to ensure the service life of the umbrella canopy.
It will be understood that each of the elements described above, or two or more together may also find a useful application in other types of methods differing from the type described above.
While certain novel features of this invention have been shown and described and are pointed out in the annexed claim, it is not intended to be limited to the details above, since it will be understood that various omissions, modifications, substitutions and changes in the forms and details of the device illustrated and in its operation can be made by those skilled in the art without departing in any way from the claims of the present invention.

Claims (3)

We claim:
1. A wind-resistant umbrella frame structure, which is applicable to an arrangement of dual canopies including an upper canopy and an annular lower canopy, the umbrella frame structure comprising a primary frame and a secondary frame, wherein the primary frame has an inner end pivotally connected to an umbrella crown and an outer end connected, through a bead, to an outer circumference of the annular lower canopy; and the secondary frame has an end pivotally connected to a runner that is slidable up and down along an umbrella post and an opposite end pivotally connected to the primary frame; wherein the primary frame comprises an internal rib, an intermediate rib, an external rib, and a traction rib assembly and also comprises an intermediate rib return wire, an external rib return wire, and a collapse spring; the internal rib has an inner end pivotally connected to the crown and an outer end pivotally connected, through a first pivot joint, to an inner end of the intermediate rib and the intermediate rib has an outer end pivotally connected, through a second pivot joint, to an inner end of the external rib and the external rib has an outer end serving as the outer end of the primary frame and connected to the outer circumference of the annular lower canopy; the intermediate rib return wire has an end pivotally connected to the secondary frame and an opposite end pivotally connected to the first pivot joint and the collapse spring has an end connected to the secondary frame and an opposite end connected to the first pivot joint; the external rib return wire has an end pivotally connected to the intermediate rib and an opposite end pivotally connected to the external rib; and the traction rib assembly has an inner end connected to the first pivot joint and an opposite, outer end connected to the external rib,
wherein the annular lower canopy has an inner circumference fixed to the first pivot joint; and the upper canopy is attached to the umbrella crown and has an outer circumference fixed at a location close to the second pivot joint, wherein a portion of the upper canopy that is located between the umbrella crown and the outer circumference thereof is connected to the first pivot joint such that the portion of the upper canopy and the inner circumference of the annular lower canopy are both attached to the first pivot joint to which the inner end of the traction rib assembly is connected.
2. The wind-resistant umbrella frame structure according to claim 1, wherein the intermediate rib return wire has an end pivotally connected to the secondary frame and an opposite end pivotally connected to a joint of the first pivot joint on the intermediate rib.
3. The wind-resistant umbrella frame structure according to claim 1, wherein the traction rib assembly comprises a rigid traction rib and a flexible traction wire, the rigid traction rib having a free end serving as the inner end of the traction rib assembly and connected to the first pivot joint, the traction wire having a free end serving as the opposite outer end of the traction rib assembly and connected to the external rib at a location adjacent to an outer end thereof.
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CN201620098350.0 2016-02-01
CN201620098350U 2016-02-01
CN201620098350.0U CN205611966U (en) 2016-02-01 2016-02-01 Anti -wind umbrella bone structure

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD879460S1 (en) * 2018-09-04 2020-03-31 Hao-ming Liu Umbrella rib
USD880842S1 (en) * 2018-09-13 2020-04-14 Ching-Chuan You Umbrella frame
US20200128930A1 (en) * 2018-10-24 2020-04-30 Shedrain Corporation Umbrella having anti-inversion mechanism
USD898341S1 (en) * 2018-02-12 2020-10-13 Ching-Chuan You Umbrella frame
US11006711B2 (en) 2018-10-24 2021-05-18 Shedrain Corporation Umbrella having anti-inversion mechanism
US11903465B2 (en) 2020-11-06 2024-02-20 Shedrain Corporation Umbrella having anti-inversion mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10264861B2 (en) * 2017-03-21 2019-04-23 Yen-Shuo Su Wind-proof umbrella
CN107348644A (en) * 2017-09-08 2017-11-17 东北大学 A kind of integrated Double-layer wind-proof umbrella face and the attachment structure of umbrella frame

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US6058952A (en) * 1998-12-02 2000-05-09 Fu Tai Umbrella Works, Ltd. Simplified flat top umbrella
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US6736151B2 (en) * 2002-05-01 2004-05-18 Fu Tai Umbrella Works, Ltd. Anti-windforce rib assembly of multiple-fold umbrella
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US20150096601A1 (en) * 2013-10-09 2015-04-09 Shedrain Corporation Umbrella having improved shaft and rib assembly

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US5063953A (en) * 1991-04-26 1991-11-12 Wu Kuei Jen Quickly openable umbrella with multiple folds
US6058952A (en) * 1998-12-02 2000-05-09 Fu Tai Umbrella Works, Ltd. Simplified flat top umbrella
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD898341S1 (en) * 2018-02-12 2020-10-13 Ching-Chuan You Umbrella frame
USD879460S1 (en) * 2018-09-04 2020-03-31 Hao-ming Liu Umbrella rib
USD880842S1 (en) * 2018-09-13 2020-04-14 Ching-Chuan You Umbrella frame
US20200128930A1 (en) * 2018-10-24 2020-04-30 Shedrain Corporation Umbrella having anti-inversion mechanism
US11006711B2 (en) 2018-10-24 2021-05-18 Shedrain Corporation Umbrella having anti-inversion mechanism
US11607021B2 (en) 2018-10-24 2023-03-21 Shedrain Corporation Umbrella having anti-inversion mechanism
US11903465B2 (en) 2020-11-06 2024-02-20 Shedrain Corporation Umbrella having anti-inversion mechanism

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US20170215535A1 (en) 2017-08-03

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